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The sun is setting, brightening your kids’ faces as they play in the waves. You reach for your phone for this perfect moment. But before you do, here’s a bit of surprising science: Taking photos is not the perfect way to keep memory as you think.

Taking too many pictures could actually harm the brain’s ability to keep memories, says Elizabeth Loftus, a psychology professor at the University of California. So we get the photo but kind of lose the memory.

Photography “outsources” memories. It works in two ways: We either shake off the responsibility of remembering moments when taking pictures, or we’re so distracted by the process that we miss the moment altogether.

The first explanation is the loss of memory. People know that their camera is recording that moment, so they don’t try to remember. The other is distraction. We’re distracted by the process of taking a photo-how we hold our phone, composing the photo, such as smiling faces, the background to our liking and clear image, all of which uses up our attention that could otherwise help us memorize.

However, taking photos can help memory when done mindfully. While taking a photo may be distracting, the act of preparation by focusing on visual details around has the opposite. When people take the time to take clear pictures, memories become strengthened.

Another advantage is that we recall moments more exactly with the photos. Memory has been reshaped with the help of new information and new experiences. Thus, photos or videos help us recall moments as if they really happened.

Memories die away without a visual record backing them up. Therefore, a photo is an excellent tool to help remember when done purposefully, which is worth exploring further.